<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>header</title>
    <link rel="stylesheet" type="text/css" href="css/main.css" />
    <link rel="stylesheet" type="text/css" href="css/top.css" />
    <link rel="stylesheet" type="text/css" href="css/left.css" />
    <link rel="stylesheet" type="text/css" href="css/right.css" />
</head>
<body>
<div id="container">

    <div id="header">
        <h1>博客管理系统</h1>
        <div id="login_info">
            欢迎你：admin
            <a href="logout.html">退出登录</a>
        </div>
    </div>

    <div id="left">
        <ul>
            <li><a href="#">分类管理</a></li>
            <li><a href="#">新闻管理</a></li>
            <li><a href="#">管理员</a></li>
        </ul>
    </div>